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Since these risk factors are numerous and have different effects on the malignancy risk, it is
EBM #Radiology #Pulmonary ... #Fleischner #Probability ... #Malginancy #PulmonaryNodule ... #RadiologyAssistant
Subsolid nodules
Most subsolid nodules are transient and the result of infection or hemorrhage.
However, persistent subsolid nodules
size and a solid component ... Diagnosis #Radiology #Pulmonary ... #Fleischner #Guideline ... Subsolid #Nodule #PulmonaryNodule ... #Followup #RadiologyAssistant
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
Solid pulmonary ... Diagnosis #Radiology #Pulmonary ... #Fleischner #Guideline ... Solid #Nodule #PulmonaryNodule ... #Followup #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
of HRCT involves ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Algorithm #ILD ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #RadiologyAssistant
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
Epidemiology #Radiology #Pulmonary ... #Fleischner #Risk ... #RiskFactors #PulmonaryNodule ... #Nodule #RadiologyAssistant
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... Test (PFT) Interpretation ... Algorithm Approach ... (restrictive component ... #Algorithm #diagnosis
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
RB-ILD with subtle HRCT-findings ... mandatory for the interpretion ... of the HRCT. ... probably would be pulmonary ... RespiratoryBronchiolitis #ILD #RadiologyAssistant